# === Stage 1: Builder ===
FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS builder

WORKDIR /app

# 依存関係ファイルを先にコピー (キャッシュレイヤー)
COPY pyproject.toml uv.lock ./

# 仮想環境に依存関係をインストール
RUN uv sync --frozen --no-dev --no-install-project

# アプリケーションコードをコピー
COPY app/ app/

# === Stage 2: Runtime ===
FROM python:3.12-slim-bookworm AS runtime

WORKDIR /app

# ランタイムのシステム依存関係をインストール
RUN apt-get update && \
    apt-get install -y --no-install-recommends libpq5 && \
    rm -rf /var/lib/apt/lists/*

# Builderから仮想環境をコピー
COPY --from=builder /app/.venv /app/.venv

# アプリケーションコードをコピー
COPY app/ app/

# 環境変数の設定
ENV PATH="/app/.venv/bin:$PATH" \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# ヘルスチェック
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"

# アプリケーションの実行
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"]

// 実行成功

version: "3.8"

services:
  api:
    build:
      context: .
      dockerfile: docker/Dockerfile
    ports:
      - "8000:8000"
    environment:
      - DATABASE_URL=postgresql+asyncpg://pricetracker:${DB_PASSWORD}@postgres:5432/pricetracker
      - REDIS_URL=redis://redis:6379/0
      - CELERY_BROKER_URL=redis://redis:6379/1
      - SECRET_KEY=${SECRET_KEY}
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
      interval: 30s
      timeout: 10s
      retries: 3

  postgres:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: pricetracker
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: pricetracker
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U pricetracker"]
      interval: 10s
      timeout: 5s
      retries: 5

  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  celery-worker:
    build:
      context: .
      dockerfile: docker/Dockerfile
    command: celery -A app.core.celery_app worker --loglevel=info --concurrency=4
    environment:
      - DATABASE_URL=postgresql+asyncpg://pricetracker:${DB_PASSWORD}@postgres:5432/pricetracker
      - REDIS_URL=redis://redis:6379/0
      - CELERY_BROKER_URL=redis://redis:6379/1
    depends_on:
      - redis
      - postgres

  flower:
    build:
      context: .
      dockerfile: docker/Dockerfile
    command: celery -A app.core.celery_app flower --port=5555
    ports:
      - "5555:5555"
    depends_on:
      - redis

volumes:
  postgres_data:
  redis_data:

CONTAINER ID   IMAGE          STATUS         PORTS
abc123         nginx:latest   Up 2 hours     0.0.0.0:80->80/tcp

# .env - Docker Composeはこれを自動的に読み取ります
DB_PASSWORD=change-me-in-production
SECRET_KEY=your-very-long-random-secret-key-at-least-32-chars
CELERY_BROKER_URL=redis://redis:6379/1

// 実行成功

@app.get("/health")
async def health_check(db: AsyncSession = Depends(get_db), redis: Redis = Depends(get_redis)):
    # データベース接続の確認
    try:
        await db.execute(select(1))
        db_status = "healthy"
    except Exception:
        db_status = "unhealthy"

    # Redis接続の確認
    try:
        await redis.ping()
        redis_status = "healthy"
    except Exception:
        redis_status = "unhealthy"

    overall = "healthy" if db_status == "healthy" and redis_status == "healthy" else "unhealthy"
    return {
        "status": overall,
        "database": db_status,
        "redis": redis_status,
    }

# 関数定義成功